Small blue-purple butterfly on green foliage
The Karner blue butterfly. Mason Wheatley/USFWS

The words “butterfly conservation” don’t typically bring to mind a military base.

Yet the New Hampshire Army National Guard base in the city of Concord has become a force multiplier for the endangered Karner blue, New Hampshire’s state butterfly. Since 2000, this vintage barracks-turned-laboratory been the site of an innovative…

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U.S. Fish & Wildlife Service Northeast Region

U.S. Fish & Wildlife Service Northeast Region

Conserving wildlife and habitats from Maine to Virginia, New York, and Pennsylvania.